/* Reset & Base */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #0d6b3d;
  --color-primary-dark: #094d2b;
  --color-accent: #10b981;
  --color-bg: #f8faf9;
  --color-surface: #ffffff;
  --color-text: #1a1a2e;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
  --max-width: 960px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Language Toggle */
.lang-toggle {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 100;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lang-toggle:hover {
  background: var(--color-primary);
  color: #fff;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #14532d 100%);
  color: #fff;
  text-align: center;
  padding: 6rem 1.5rem 5rem;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.domain-name {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 400;
  opacity: 0.95;
  margin-bottom: 0.75rem;
}

.hero-desc {
  font-size: 1.1rem;
  opacity: 0.8;
  margin-bottom: 2rem;
}

.cta-button {
  display: inline-block;
  background: #fff;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.9rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Value Proposition */
.value {
  padding: 5rem 0;
}

.value h2,
.highlights h2,
.contact h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2.5rem;
  color: var(--color-primary-dark);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.value-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.value-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary-dark);
}

.value-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Highlights */
.highlights {
  background: var(--color-surface);
  padding: 4rem 0;
}

.highlight-list {
  list-style: none;
  max-width: 600px;
  margin: 0 auto;
}

.highlight-list li {
  font-size: 1.05rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

.highlight-list li:last-child {
  border-bottom: none;
}

/* Contact Form */
.contact {
  padding: 5rem 0;
}

.contact-desc {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.inquiry-form {
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-surface);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: var(--font-main);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.submit-button {
  display: block;
  width: 100%;
  padding: 0.85rem;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

.submit-button:hover {
  background: var(--color-primary-dark);
}

.submit-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-result {
  max-width: 560px;
  margin: 1rem auto 0;
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
}

.form-result.success {
  background: #d1fae5;
  color: #065f46;
}

.form-result.error {
  background: #fee2e2;
  color: #991b1b;
}

/* Footer */
.footer {
  background: var(--color-text);
  color: #9ca3af;
  text-align: center;
  padding: 2rem 0;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 640px) {
  .hero {
    padding: 4rem 1.25rem 3.5rem;
    min-height: 60vh;
  }

  .value-grid {
    grid-template-columns: 1fr;
  }

  .inquiry-form {
    padding: 1.5rem;
  }
}